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alexgriva [62]
3 years ago
11

A 75-kilogram hockey player is skating across the

Physics
1 answer:
azamat3 years ago
6 0
I think it is (3) 690 N. You can use the theorem of Impulse and momentum where the impulse is equal to the change in momentum or:
F \Delta t=m v_{f}-m v_{i} (where f is for final and i for initial).
So you get:
F*0.65=0-(75*6)
F=692 N
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